Former Silicon Valley entrepreneur Sean Gerrity is trying to turn a swath of northeastern Montana into a prairie reserve teeming with herds of bison. In an interview with Yale Environment 360, Gerrity talks about the challenges of reclaiming a landscape long dominated by agriculture.READ MORE

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The American Prairie Reserve, marked with the star on map, currently owns about 60,000 acres north of the Missouri River in northeastern Montana. Ultimately the organization hopes to own 500,000 acres of private land and, through that, to influence what happens on the adjacent 3 million acres of public land. Some of that land lies within the Charles M. Russell National Wildlife Refuge and the Upper Missouri River Breaks National Monument, federal lands shown on map as the narrow, green corridor. (Courtesy of American Prairie Reserve)

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Photographer Robert Wintner documents the exquisite beauty and biodiversity of Cuba’s coral reefs, which are largely intact thanks to stifled coastal development in the communist nation. View the gallery.

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The Warriors of Qiugang, a Yale Environment 360 video, chronicles a Chinese village’s fight against a polluting chemical plant. It was nominated for a 2011 Academy Award for Best Documentary Short.
Watch the video.